VeroWing

Last week I bought a 1967 coupe parts car that has a 9" rear in it. Yesterday I removed it and took out center section for indentifying. My car already has a 9" rear in it, so I'm looking for opinions on what I should sell this one for. Hers the info I have on it:

HOUSING-----------53 1/2-54" outside flange to flange

SPRING PERCH------44" center/center

AXLE BEARING------2.892" w/tapered axle tubes

AXLES-------------28 spline/straight/no taper

CENTER SECTION---C7AW-E 46

RING GEAR---------C2AW 4210 F has 35 teeth (3.50 ?)

LSD TYPE----------Equa-loc with 4 spider gear/3 pin hooded/guarded
pinion housing

So unless I'm mistaken, this is a posi type rear with 3.50 gears.


This is all the info I've come up with so far. Can anyone give me a ball park asking price for this rear with this info, complete with backing plates, drums, brake parks, but without yoke, which is not there?

2+2GT

Although "posi" is a common slang term for limited slip, it's derived from "Positraction™", a General Motors trademark. Positraction is an excellent limited slip, which uses bearing thrust from torque applied to the axle gears to increase the friction loading of the clutch pack to increase the limitation of axle spin. Ford's "Traction-Lok™" works the same way. However, Ford's earlier "Equalock™" has no such sensitivity, it applies a constant pressure on the clutch pack with a Belleville spring, which does not vary with engine power or torque applied. The value of your differential will depend to some extent on which type you have.

VeroWing

Its the Equalock one.

ponyboychris

FYI, To find out the gear ratio, count the number of teeth on the ring (35 in your case) and divide by the number of teeth on the pinion gear.

VeroWing

Thanks.

F15Falcon

I never pay more than $200.00 for any 9" rear end because they are used pieces that may or may not be any good for a future rebuild. I buy rear ends to re-sell after I re-condition them though. Being that it is one of the more desireable 9" rear ends beacuse it can be swapped into a car that originally came with an 8" or a six cylinder car, someone may want to pay a little more for it. I would say it is worth $300.00-$400.00, maybe a little more.

VeroWing

Thanks

Cruzzar

Isn't a stock mustang 43" center to center on the spring perches?

VeroWing

I'm not really sure, and my measurement was quick, I'll double check it.

VeroWing

Looks more like 43 1/2".